Answer:
D. used and understood in other words.
Explanation:
Example: pre.
Precooked.
Prefix.
Precipitation.
Portable parts of words are suffixes and prefixes.
Its c :) i just took the review i hope this helps
My eyes filling with tear
After reading some other's opinions. It may be D. To be very impatient. But I could be wrong, and many apologies if I am.